CVE-2021-27017: Deserialization of untrusted data

Published Feb 7, 2025
·
Updated

Utilization of a module presented a security risk by allowing the deserialization of untrusted/user supplied data. This is resolved in the Puppet Agent 7.4.0 release.

Affected Software

1 affected component
Puppet Puppet Agent<7.4.0

Event History

Feb 7, 2025
CVE Published
via MITRE·07:28 PM
Data Sourced
via MITRE·07:28 PM
DescriptionSeverity
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2021-27017?

CVE-2021-27017 has been categorized as a medium severity vulnerability.

2

How do I fix CVE-2021-27017?

To fix CVE-2021-27017, upgrade to Puppet Agent version 7.4.0 or later.

3

What impact does CVE-2021-27017 have on Puppet Agent?

CVE-2021-27017 allows the deserialization of untrusted data, which can lead to security risks.

4

Which versions of Puppet Agent are affected by CVE-2021-27017?

Puppet Agent versions prior to 7.4.0 are affected by CVE-2021-27017.

5

Is CVE-2021-27017 exploitable?

Yes, CVE-2021-27017 is exploitable if untrusted data is deserialized in the Puppet Agent.

Contact

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